appform.Complaint.java Source code

Introduction

Here is the source code for appform.Complaint.java

Source

/*
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package appform;

import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.Set;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class Complaint extends JFrame implements ActionListener {
    JLabel Complaint;
    TextField complaint = new TextField();
    JButton submit = new JButton("Submit");

    public Complaint() {
        setVisible(true);
        setSize(700, 700);
        setLayout(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Complaint = new JLabel("Any Complaints/Suggestions??");
        submit.addActionListener(this);
        add(Complaint);
        add(complaint);
        add(submit);

    }

    public static void updateComplaint(String complaint) {
        try {
            FileInputStream file = new FileInputStream(new File("Complaint.xls"));
            XSSFWorkbook workbook = new XSSFWorkbook(file);
            XSSFSheet sheet = workbook.getSheetAt(0);
            HashMap data;
            data = new HashMap<>();
            data.put("7", new Object[] { complaint });
            Set keyset = data.keySet();
            int rownum = sheet.getLastRowNum() + 1;
            for (Object key : keyset) {
                Row row = sheet.createRow(rownum++);
                Object[] objArr = (Object[]) data.get(key);
                int cellnum = 0;
                for (Object obj : objArr) {
                    Cell cell = row.createCell(cellnum++);
                    if (obj instanceof String)
                        cell.setCellValue((String) obj);
                    else if (obj instanceof Double)
                        cell.setCellValue((Double) obj);
                }
            }
            FileOutputStream out = new FileOutputStream(new File("Complaint.xls"));
            workbook.write(out);
            out.close();
            System.out.println("Complaint written successfully..");

            //</string></string,></string,>
        }

        catch (Exception e) {
        }
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == submit) {
            updateComplaint(complaint.toString());
        }

    }
}